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Evaluation of the degree of arteriovenous shunting in intracranial arteriovenous malformations using pseudo-continuous arterial spin labeling magnetic resonance imaging

Byline: Leonard Sunwoo (1,2), Chul-Ho Sohn (2,3), Jong Young Lee (4), Kyung Sik Yi (5), Tae Jin Yun (2,3), Seung Hong Choi (2,3), Young Dae Cho (2,3), Ji-hoon Kim (2,3), Sun-Won Park (1,2), Moon Hee Han (2,3), Sun Ha Paek (6), Yong Hwy Kim (6), Jin Wook Kim (6), Hyun-Tai Chung (6), Dong Gyu Kim (6)... Full description

Journal Title: Neuroradiology 2015, Vol.57(8), pp.775-782
Main Author: Sunwoo, Leonard
Other Authors: Sohn, Chul-Ho , Lee, Jong , Yi, Kyung , Yun, Tae , Choi, Seung , Cho, Young , Kim, Ji-hoon , Park, Sun-Won , Han, Moon , Paek, Sun , Kim, Yong , Kim, Jin , Chung, Hyun-Tai , Kim, Dong
Format: Electronic Article Electronic Article
Language: English
Subjects:
ID: ISSN: 0028-3940 ; E-ISSN: 1432-1920 ; DOI: 10.1007/s00234-015-1533-5
Link: http://dx.doi.org/10.1007/s00234-015-1533-5
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recordid: springer_jour10.1007/s00234-015-1533-5
title: Evaluation of the degree of arteriovenous shunting in intracranial arteriovenous malformations using pseudo-continuous arterial spin labeling magnetic resonance imaging
format: Article
creator:
  • Sunwoo, Leonard
  • Sohn, Chul-Ho
  • Lee, Jong
  • Yi, Kyung
  • Yun, Tae
  • Choi, Seung
  • Cho, Young
  • Kim, Ji-hoon
  • Park, Sun-Won
  • Han, Moon
  • Paek, Sun
  • Kim, Yong
  • Kim, Jin
  • Chung, Hyun-Tai
  • Kim, Dong
subjects:
  • Arterial spin labeling (ASL)
  • Arteriovenous malformation (AVM)
  • Arteriovenous shunting
  • Venous signal intensity
ispartof: Neuroradiology, 2015, Vol.57(8), pp.775-782
description: Byline: Leonard Sunwoo (1,2), Chul-Ho Sohn (2,3), Jong Young Lee (4), Kyung Sik Yi (5), Tae Jin Yun (2,3), Seung Hong Choi (2,3), Young Dae Cho (2,3), Ji-hoon Kim (2,3), Sun-Won Park (1,2), Moon Hee Han (2,3), Sun Ha Paek (6), Yong Hwy Kim (6), Jin Wook Kim (6), Hyun-Tai Chung (6), Dong Gyu Kim (6) Keywords: Arterial spin labeling (ASL); Arteriovenous malformation (AVM); Arteriovenous shunting; Venous signal intensity Abstract: Introduction Intracranial arteriovenous malformations (AVMs) display venous signals on arterial spin labeling (ASL) magnetic resonance (MR) imaging due to the presence of arteriovenous shunting. Our aim was to quantitatively correlate AVM signal intensity on ASL with the degree of arteriovenous shunting estimated on digital subtraction angiography (DSA) in AVMs. Methods MR imaging including pseudo-continuous ASL at 3 T and DSA were obtained on the same day in 40 patients with intracranial AVMs. Two reviewers assessed the nidus and venous signal intensities on ASL images to determine the presence of arteriovenous shunting. Interobserver agreement on ASL between the reviewers was determined. ASL signal intensity of the AVM lesion was correlated with AVM size and the time difference between normal and AVM venous transit times measured from the DSA images. Results Interobserver agreement between two reviewers for nidus and venous signal intensities was excellent (I*=0.80 and 1.0, respectively). Interobserver agreement regarding the presence of arteriovenous shunting was perfect (I*=1.0). AVM signal intensity showed a positive relationship with the time difference between normal and AVM venous transit times (r=0.638, P
language: eng
source:
identifier: ISSN: 0028-3940 ; E-ISSN: 1432-1920 ; DOI: 10.1007/s00234-015-1533-5
fulltext: fulltext
issn:
  • 1432-1920
  • 14321920
  • 0028-3940
  • 00283940
url: Link


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titleEvaluation of the degree of arteriovenous shunting in intracranial arteriovenous malformations using pseudo-continuous arterial spin labeling magnetic resonance imaging
creatorSunwoo, Leonard ; Sohn, Chul-Ho ; Lee, Jong ; Yi, Kyung ; Yun, Tae ; Choi, Seung ; Cho, Young ; Kim, Ji-hoon ; Park, Sun-Won ; Han, Moon ; Paek, Sun ; Kim, Yong ; Kim, Jin ; Chung, Hyun-Tai ; Kim, Dong
ispartofNeuroradiology, 2015, Vol.57(8), pp.775-782
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subjectArterial spin labeling (ASL) ; Arteriovenous malformation (AVM) ; Arteriovenous shunting ; Venous signal intensity
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descriptionByline: Leonard Sunwoo (1,2), Chul-Ho Sohn (2,3), Jong Young Lee (4), Kyung Sik Yi (5), Tae Jin Yun (2,3), Seung Hong Choi (2,3), Young Dae Cho (2,3), Ji-hoon Kim (2,3), Sun-Won Park (1,2), Moon Hee Han (2,3), Sun Ha Paek (6), Yong Hwy Kim (6), Jin Wook Kim (6), Hyun-Tai Chung (6), Dong Gyu Kim (6) Keywords: Arterial spin labeling (ASL); Arteriovenous malformation (AVM); Arteriovenous shunting; Venous signal intensity Abstract: Introduction Intracranial arteriovenous malformations (AVMs) display venous signals on arterial spin labeling (ASL) magnetic resonance (MR) imaging due to the presence of arteriovenous shunting. Our aim was to quantitatively correlate AVM signal intensity on ASL with the degree of arteriovenous shunting estimated on digital subtraction angiography (DSA) in AVMs. Methods MR imaging including pseudo-continuous ASL at 3 T and DSA were obtained on the same day in 40 patients with intracranial AVMs. Two reviewers assessed the nidus and venous signal intensities on ASL images to determine the presence of arteriovenous shunting. Interobserver agreement on ASL between the reviewers was determined. ASL signal intensity of the AVM lesion was correlated with AVM size and the time difference between normal and AVM venous transit times measured from the DSA images. Results Interobserver agreement between two reviewers for nidus and venous signal intensities was excellent (I*=0.80 and 1.0, respectively). Interobserver agreement regarding the presence of arteriovenous shunting was perfect (I*=1.0). AVM signal intensity showed a positive relationship with the time difference between normal and AVM venous transit times (r=0.638, P<0.001). AVM signal intensity also demonstrated a positive relationship with AVM size (r=0.561, P<0.001). Conclusion AVM signal intensity on ASL in patients with AVM correlates well with the degree of early vein opacification on DSA, which corresponds to the degree of arteriovenous shunting. Author Affiliation: (1) Department of Radiology, Seoul Metropolitan Government - Seoul National University Boramae Medical Center, Seoul, Korea (2) Department of Radiology, Seoul National University College of Medicine, Seoul, Korea (3) Department of Radiology, Seoul National University Hospital, 101 Daehak-ro, Jongno-gu, Seoul, 110-744, Korea (4) Department of Neurosurgery, Kangdong Sacred Heart Hospital, Seoul, Korea (5) Department of Radiology, Chungbuk National University Hospital, Cheongju, Korea (6) Department of Neurosurgery, Seoul National University Hospital, Seoul, Korea Article History: Registration Date: 14/04/2015 Received Date: 12/01/2015 Accepted Date: 13/04/2015 Online Date: 24/04/2015
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titleEvaluation of the degree of arteriovenous shunting in intracranial arteriovenous malformations using pseudo-continuous arterial spin labeling magnetic resonance imaging
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